add test

includes/classes/Elasticsearch.php

@@ -1735,9 +1735,9 @@ public function add_elasticpress_version_to_user_agent( $user_agent ) {
 	 * @param array $query Query to log.
 	 */
 	protected function add_query_log( $query ) {
-		$wp_debug      = defined( 'WP_DEBUG' ) && WP_DEBUG;
-		$wp_ep_debug   = defined( 'WP_EP_DEBUG' ) && WP_EP_DEBUG;
-		
+		$wp_debug    = defined( 'WP_DEBUG' ) && WP_DEBUG;
+		$wp_ep_debug = defined( 'WP_EP_DEBUG' ) && WP_EP_DEBUG;
+
 		/**
 		 * Filter query logging. Don't log anything to the queries property when true.
 		 *

tests/php/TestQueryLogger.php

@@ -506,6 +506,32 @@ public function testIsQueryErrorWithStatusCode( $expected, $status_code ) {
 		$this->assertSame( $expected, $method->invokeArgs( $query_logger, [ $query ] ) );
 	}
 
+	/**
+	 * Test the ep_disable_query_logging filter
+	 *
+	 * @group queryLogger
+	 */
+	public function testEpDisableQueryLoggingFilter() {
+		$query_logger = $this->getMockBuilder( QueryLogger::class )
+        ->setMethods( [ 'add_query_log' ] )
+        ->getMock();
+
+		// Add the `queries` property to the mock object
+		$reflection = new \ReflectionClass( $query_logger );
+		$property = $reflection->getProperty( 'queries' );
+		$property->setAccessible( true );
+		$property->setValue( $query_logger, [] );
+
+		add_filter( 'ep_disable_query_logging', '__return_true' );
+
+		$query_logger->add_query_log( [ 'query' => 'test' ] );
+		$queries = $property->getValue( $query_logger );
+
+		$this->assertEmpty( $queries );
+
+		remove_filter( 'ep_disable_query_logging', '__return_true' );
+	}
+
 	/**
 	 * Data provider for the testMaybeLogDeleteIndex method
 	 *